Make repo header a link to summary page

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.css

@@ -13,6 +13,14 @@ h2 {
 	margin-bottom: 0.1em;
 }
 
+a {
+	color: blue;
+	text-decoration: none;
+}
+
+a:hover {
+	text-decoration: underline;
+}
 
 table.list {
 	border: solid 1px black;
@@ -46,7 +54,6 @@ div#header {
 	border: solid 1px #aaa;
 	vertical-align: middle;
 }
-
 div#header img#logo {
 	float: right;
 }

ui-shared.c

@@ -104,6 +104,10 @@ void cgit_print_pageheader(char *title)
 	htmlf("<a href='%s'>", cgit_logo_link);
 	htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
 	htmlf("</a>");
+	if (cgit_query_repo)
+		htmlf("<a href='%s'>", cgit_repourl(cgit_query_repo));
 	html_txt(title);
+	if (cgit_query_repo)
+		html("</a>");
 	html("</div>");
 }